City

Population

(000)

Annual ambient PM2.5 concentration* (µg/m3)

Tangier

1,005

22

Marrakech

981

20

Casablanca

3,360

20

Mohammedia

289

18

Settat

218

17

Fès

1,130

16

Benslimane

114

13

Khouribga

378

12

Agadir

508

5

El-Jadida

312

4

Salé

916

4

Safi

346

3